Home / 311,592,219.53-429,959,801.09-179,476,183.76

Finding the Fourth Proportional to 311,592,219.53, 429,959,801.09 and 179,476,183.76

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Solution

The fourth proportional to 311,592,219.53, 429,959,801.09 and 179,476,183.76 is: 247,655,555.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,592,219.53 : 429,959,801.09 = 179,476,183.76 : x
  2. Step 2: Convert to fraction form
    311,592,219.53/429,959,801.09 = 179,476,183.76/x
  3. Step 3: Cross multiply
    311,592,219.53x = 429,959,801.09 × 179,476,183.76
  4. Step 4: Simplify right side
    311,592,219.53x = 77,167,544,268,140,768
  5. Step 5: Solve for x
    x = 77,167,544,268,140,768/311,592,219.53
  6. Step 6: Final answer
    x = 247,655,555.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.